PROBLEM TO BE SOLVED: To provide a skin barrier function measuring circuit capable of accurately measuring a skin barrier function in every state of the skin, and electronic equipment having the skin barrier function measuring circuit.SOLUTION: A skin barrier function measuring circuit includes: an AC wave generation circuit for generating an AC signal; an application electrode for applying the AC signal; a detection electrode 104 for detecting a signal transmitting the skin from the application electrode; a detection circuit for detecting a signal based on the AC signal and adjusting the waveform; a computing unit for controlling the AC wave generation circuit or detecting an output signal from the detection circuit and performing a computation; and a determination circuit for detecting the signal based on the AC signal, determining the magnitude of the signal, and outputting a switching signal.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】肌のすべての状態で精度よく皮膚バリア機能を測定できる皮膚バリア機能測定回路および皮膚バリア機能測定回路を有する電子機器を提供する。【解決手段】交流信号を発生させる交流波発生回路と、交流信号を印加する印加電極と、印加電極から肌を透過した信号を検出する検出電極104と、交流信号に基づく信号を検出し波形を調整する検出回路と、交流波発生回路の制御または検出回路からの出力信号を検出し演算を行う演算器と、交流信号に基づく信号を検出し、信号の大きさを判定して切り替え信号を出力する判定回路と、を備える。【選択図】図1